prematurity, increases neural excitation by preventing gammaaminobutyric acid release, increases the sensitivity of the central nervous system to blood carbon-dioxide levels, thus it stimulates and maintains respiration in infants with apnea. In this review, the effect of caffeine, which is the first choice in the treatment of apnea in premature infants, information about who, when, in which dose, and for how long we should use it, has been tried to be given in the light of the recent literature data.